16000789816 has 16 divisors (see below), whose sum is σ = 32728888440. Its totient is φ = 7273086240.

The previous prime is 16000789811. The next prime is 16000789843. The reversal of 16000789816 is 61898700061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000789811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90913491 + ... + 90913666.

Almost surely, 2^16000789816 is an apocalyptic number.

It is an amenable number.

16000789816 is an abundant number, since it is smaller than the sum of its proper divisors (16728098624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16000789816 is a wasteful number, since it uses less digits than its factorization.

16000789816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181827174 (or 181827170 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 16000789816 in words is "sixteen billion, seven hundred eighty-nine thousand, eight hundred sixteen".